The crate, which has a mass of 125 kg, is subjected to the action of the three forces shown in the figure. If it is originally at rest, determine the friction force when P1 = 500 N, P2 = 700 N, P3 = 800 N and 0 = 45°. %3D %3D Assume the coefficient of kinetic friction between the crate and the surface is Hk = 0.40. P2 P3 Select one: a. 436.94 N O b. 215.68 N c. 302.91 N O d. 143.92N
The crate, which has a mass of 125 kg, is subjected to the action of the three forces shown in the figure. If it is originally at rest, determine the friction force when P1 = 500 N, P2 = 700 N, P3 = 800 N and 0 = 45°. %3D %3D Assume the coefficient of kinetic friction between the crate and the surface is Hk = 0.40. P2 P3 Select one: a. 436.94 N O b. 215.68 N c. 302.91 N O d. 143.92N
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.72P
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